Home / 980,619.96-1,350,127.26-836,802.84

Finding the Fourth Proportional to 980,619.96, 1,350,127.26 and 836,802.84

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Solution

The fourth proportional to 980,619.96, 1,350,127.26 and 836,802.84 is: 1,152,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,619.96 : 1,350,127.26 = 836,802.84 : x
  2. Step 2: Convert to fraction form
    980,619.96/1,350,127.26 = 836,802.84/x
  3. Step 3: Cross multiply
    980,619.96x = 1,350,127.26 × 836,802.84
  4. Step 4: Simplify right side
    980,619.96x = 1,129,790,325,529.42
  5. Step 5: Solve for x
    x = 1,129,790,325,529.42/980,619.96
  6. Step 6: Final answer
    x = 1,152,118.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.